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Mirrors > Home > MPE Home > Th. List > Mathboxes > fdvposle | Structured version Visualization version GIF version |
Description: Functions with a nonnegative derivative, i.e. monotonously growing functions, preserve ordering. (Contributed by Thierry Arnoux, 20-Dec-2021.) |
Ref | Expression |
---|---|
fdvposlt.d | ⊢ 𝐸 = (𝐶(,)𝐷) |
fdvposlt.a | ⊢ (𝜑 → 𝐴 ∈ 𝐸) |
fdvposlt.b | ⊢ (𝜑 → 𝐵 ∈ 𝐸) |
fdvposlt.f | ⊢ (𝜑 → 𝐹:𝐸⟶ℝ) |
fdvposlt.c | ⊢ (𝜑 → (ℝ D 𝐹) ∈ (𝐸–cn→ℝ)) |
fdvposle.le | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
fdvposle.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → 0 ≤ ((ℝ D 𝐹)‘𝑥)) |
Ref | Expression |
---|---|
fdvposle | ⊢ (𝜑 → (𝐹‘𝐴) ≤ (𝐹‘𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ioossicc 12910 | . . . . . 6 ⊢ (𝐴(,)𝐵) ⊆ (𝐴[,]𝐵) | |
2 | 1 | a1i 11 | . . . . 5 ⊢ (𝜑 → (𝐴(,)𝐵) ⊆ (𝐴[,]𝐵)) |
3 | ioombl 24320 | . . . . . 6 ⊢ (𝐴(,)𝐵) ∈ dom vol | |
4 | 3 | a1i 11 | . . . . 5 ⊢ (𝜑 → (𝐴(,)𝐵) ∈ dom vol) |
5 | fdvposlt.c | . . . . . . . 8 ⊢ (𝜑 → (ℝ D 𝐹) ∈ (𝐸–cn→ℝ)) | |
6 | cncff 23648 | . . . . . . . 8 ⊢ ((ℝ D 𝐹) ∈ (𝐸–cn→ℝ) → (ℝ D 𝐹):𝐸⟶ℝ) | |
7 | 5, 6 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (ℝ D 𝐹):𝐸⟶ℝ) |
8 | 7 | adantr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴[,]𝐵)) → (ℝ D 𝐹):𝐸⟶ℝ) |
9 | fdvposlt.d | . . . . . . . 8 ⊢ 𝐸 = (𝐶(,)𝐷) | |
10 | fdvposlt.a | . . . . . . . 8 ⊢ (𝜑 → 𝐴 ∈ 𝐸) | |
11 | fdvposlt.b | . . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ 𝐸) | |
12 | 9, 10, 11 | fct2relem 32150 | . . . . . . 7 ⊢ (𝜑 → (𝐴[,]𝐵) ⊆ 𝐸) |
13 | 12 | sselda 3878 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴[,]𝐵)) → 𝑥 ∈ 𝐸) |
14 | 8, 13 | ffvelrnd 6865 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴[,]𝐵)) → ((ℝ D 𝐹)‘𝑥) ∈ ℝ) |
15 | ioossre 12885 | . . . . . . . 8 ⊢ (𝐶(,)𝐷) ⊆ ℝ | |
16 | 9, 15 | eqsstri 3912 | . . . . . . 7 ⊢ 𝐸 ⊆ ℝ |
17 | 16, 10 | sseldi 3876 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
18 | 16, 11 | sseldi 3876 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) |
19 | ax-resscn 10675 | . . . . . . . 8 ⊢ ℝ ⊆ ℂ | |
20 | ssid 3900 | . . . . . . . 8 ⊢ ℂ ⊆ ℂ | |
21 | cncfss 23654 | . . . . . . . 8 ⊢ ((ℝ ⊆ ℂ ∧ ℂ ⊆ ℂ) → ((𝐴[,]𝐵)–cn→ℝ) ⊆ ((𝐴[,]𝐵)–cn→ℂ)) | |
22 | 19, 20, 21 | mp2an 692 | . . . . . . 7 ⊢ ((𝐴[,]𝐵)–cn→ℝ) ⊆ ((𝐴[,]𝐵)–cn→ℂ) |
23 | 7, 12 | feqresmpt 6741 | . . . . . . . 8 ⊢ (𝜑 → ((ℝ D 𝐹) ↾ (𝐴[,]𝐵)) = (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥))) |
24 | rescncf 23652 | . . . . . . . . 9 ⊢ ((𝐴[,]𝐵) ⊆ 𝐸 → ((ℝ D 𝐹) ∈ (𝐸–cn→ℝ) → ((ℝ D 𝐹) ↾ (𝐴[,]𝐵)) ∈ ((𝐴[,]𝐵)–cn→ℝ))) | |
25 | 12, 5, 24 | sylc 65 | . . . . . . . 8 ⊢ (𝜑 → ((ℝ D 𝐹) ↾ (𝐴[,]𝐵)) ∈ ((𝐴[,]𝐵)–cn→ℝ)) |
26 | 23, 25 | eqeltrrd 2835 | . . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ ((𝐴[,]𝐵)–cn→ℝ)) |
27 | 22, 26 | sseldi 3876 | . . . . . 6 ⊢ (𝜑 → (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ ((𝐴[,]𝐵)–cn→ℂ)) |
28 | cniccibl 24596 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ ((𝐴[,]𝐵)–cn→ℂ)) → (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ 𝐿1) | |
29 | 17, 18, 27, 28 | syl3anc 1372 | . . . . 5 ⊢ (𝜑 → (𝑥 ∈ (𝐴[,]𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ 𝐿1) |
30 | 2, 4, 14, 29 | iblss 24560 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ (𝐴(,)𝐵) ↦ ((ℝ D 𝐹)‘𝑥)) ∈ 𝐿1) |
31 | 7 | adantr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → (ℝ D 𝐹):𝐸⟶ℝ) |
32 | 2 | sselda 3878 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → 𝑥 ∈ (𝐴[,]𝐵)) |
33 | 32, 13 | syldan 594 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → 𝑥 ∈ 𝐸) |
34 | 31, 33 | ffvelrnd 6865 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → ((ℝ D 𝐹)‘𝑥) ∈ ℝ) |
35 | fdvposle.1 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴(,)𝐵)) → 0 ≤ ((ℝ D 𝐹)‘𝑥)) | |
36 | 30, 34, 35 | itgge0 24566 | . . 3 ⊢ (𝜑 → 0 ≤ ∫(𝐴(,)𝐵)((ℝ D 𝐹)‘𝑥) d𝑥) |
37 | fdvposle.le | . . . 4 ⊢ (𝜑 → 𝐴 ≤ 𝐵) | |
38 | fdvposlt.f | . . . . 5 ⊢ (𝜑 → 𝐹:𝐸⟶ℝ) | |
39 | fss 6522 | . . . . 5 ⊢ ((𝐹:𝐸⟶ℝ ∧ ℝ ⊆ ℂ) → 𝐹:𝐸⟶ℂ) | |
40 | 38, 19, 39 | sylancl 589 | . . . 4 ⊢ (𝜑 → 𝐹:𝐸⟶ℂ) |
41 | cncfss 23654 | . . . . . 6 ⊢ ((ℝ ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝐸–cn→ℝ) ⊆ (𝐸–cn→ℂ)) | |
42 | 19, 20, 41 | mp2an 692 | . . . . 5 ⊢ (𝐸–cn→ℝ) ⊆ (𝐸–cn→ℂ) |
43 | 42, 5 | sseldi 3876 | . . . 4 ⊢ (𝜑 → (ℝ D 𝐹) ∈ (𝐸–cn→ℂ)) |
44 | 9, 10, 11, 37, 40, 43 | ftc2re 32151 | . . 3 ⊢ (𝜑 → ∫(𝐴(,)𝐵)((ℝ D 𝐹)‘𝑥) d𝑥 = ((𝐹‘𝐵) − (𝐹‘𝐴))) |
45 | 36, 44 | breqtrd 5057 | . 2 ⊢ (𝜑 → 0 ≤ ((𝐹‘𝐵) − (𝐹‘𝐴))) |
46 | 38, 11 | ffvelrnd 6865 | . . 3 ⊢ (𝜑 → (𝐹‘𝐵) ∈ ℝ) |
47 | 38, 10 | ffvelrnd 6865 | . . 3 ⊢ (𝜑 → (𝐹‘𝐴) ∈ ℝ) |
48 | 46, 47 | subge0d 11311 | . 2 ⊢ (𝜑 → (0 ≤ ((𝐹‘𝐵) − (𝐹‘𝐴)) ↔ (𝐹‘𝐴) ≤ (𝐹‘𝐵))) |
49 | 45, 48 | mpbid 235 | 1 ⊢ (𝜑 → (𝐹‘𝐴) ≤ (𝐹‘𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1542 ∈ wcel 2114 ⊆ wss 3844 class class class wbr 5031 ↦ cmpt 5111 dom cdm 5526 ↾ cres 5528 ⟶wf 6336 ‘cfv 6340 (class class class)co 7173 ℂcc 10616 ℝcr 10617 0cc0 10618 ≤ cle 10757 − cmin 10951 (,)cioo 12824 [,]cicc 12827 –cn→ccncf 23631 volcvol 24218 𝐿1cibl 24372 ∫citg 24373 D cdv 24618 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2711 ax-rep 5155 ax-sep 5168 ax-nul 5175 ax-pow 5233 ax-pr 5297 ax-un 7482 ax-inf2 9180 ax-cc 9938 ax-cnex 10674 ax-resscn 10675 ax-1cn 10676 ax-icn 10677 ax-addcl 10678 ax-addrcl 10679 ax-mulcl 10680 ax-mulrcl 10681 ax-mulcom 10682 ax-addass 10683 ax-mulass 10684 ax-distr 10685 ax-i2m1 10686 ax-1ne0 10687 ax-1rid 10688 ax-rnegex 10689 ax-rrecex 10690 ax-cnre 10691 ax-pre-lttri 10692 ax-pre-lttrn 10693 ax-pre-ltadd 10694 ax-pre-mulgt0 10695 ax-pre-sup 10696 ax-addf 10697 ax-mulf 10698 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2541 df-eu 2571 df-clab 2718 df-cleq 2731 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rmo 3062 df-rab 3063 df-v 3401 df-sbc 3682 df-csb 3792 df-dif 3847 df-un 3849 df-in 3851 df-ss 3861 df-pss 3863 df-symdif 4134 df-nul 4213 df-if 4416 df-pw 4491 df-sn 4518 df-pr 4520 df-tp 4522 df-op 4524 df-uni 4798 df-int 4838 df-iun 4884 df-iin 4885 df-disj 4997 df-br 5032 df-opab 5094 df-mpt 5112 df-tr 5138 df-id 5430 df-eprel 5435 df-po 5443 df-so 5444 df-fr 5484 df-se 5485 df-we 5486 df-xp 5532 df-rel 5533 df-cnv 5534 df-co 5535 df-dm 5536 df-rn 5537 df-res 5538 df-ima 5539 df-pred 6130 df-ord 6176 df-on 6177 df-lim 6178 df-suc 6179 df-iota 6298 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-isom 6349 df-riota 7130 df-ov 7176 df-oprab 7177 df-mpo 7178 df-of 7428 df-ofr 7429 df-om 7603 df-1st 7717 df-2nd 7718 df-supp 7860 df-wrecs 7979 df-recs 8040 df-rdg 8078 df-1o 8134 df-2o 8135 df-oadd 8138 df-omul 8139 df-er 8323 df-map 8442 df-pm 8443 df-ixp 8511 df-en 8559 df-dom 8560 df-sdom 8561 df-fin 8562 df-fsupp 8910 df-fi 8951 df-sup 8982 df-inf 8983 df-oi 9050 df-dju 9406 df-card 9444 df-acn 9447 df-pnf 10758 df-mnf 10759 df-xr 10760 df-ltxr 10761 df-le 10762 df-sub 10953 df-neg 10954 df-div 11379 df-nn 11720 df-2 11782 df-3 11783 df-4 11784 df-5 11785 df-6 11786 df-7 11787 df-8 11788 df-9 11789 df-n0 11980 df-z 12066 df-dec 12183 df-uz 12328 df-q 12434 df-rp 12476 df-xneg 12593 df-xadd 12594 df-xmul 12595 df-ioo 12828 df-ioc 12829 df-ico 12830 df-icc 12831 df-fz 12985 df-fzo 13128 df-fl 13256 df-mod 13332 df-seq 13464 df-exp 13525 df-hash 13786 df-cj 14551 df-re 14552 df-im 14553 df-sqrt 14687 df-abs 14688 df-limsup 14921 df-clim 14938 df-rlim 14939 df-sum 15139 df-struct 16591 df-ndx 16592 df-slot 16593 df-base 16595 df-sets 16596 df-ress 16597 df-plusg 16684 df-mulr 16685 df-starv 16686 df-sca 16687 df-vsca 16688 df-ip 16689 df-tset 16690 df-ple 16691 df-ds 16693 df-unif 16694 df-hom 16695 df-cco 16696 df-rest 16802 df-topn 16803 df-0g 16821 df-gsum 16822 df-topgen 16823 df-pt 16824 df-prds 16827 df-xrs 16881 df-qtop 16886 df-imas 16887 df-xps 16889 df-mre 16963 df-mrc 16964 df-acs 16966 df-mgm 17971 df-sgrp 18020 df-mnd 18031 df-submnd 18076 df-mulg 18346 df-cntz 18568 df-cmn 19029 df-psmet 20212 df-xmet 20213 df-met 20214 df-bl 20215 df-mopn 20216 df-fbas 20217 df-fg 20218 df-cnfld 20221 df-top 21648 df-topon 21665 df-topsp 21687 df-bases 21700 df-cld 21773 df-ntr 21774 df-cls 21775 df-nei 21852 df-lp 21890 df-perf 21891 df-cn 21981 df-cnp 21982 df-haus 22069 df-cmp 22141 df-tx 22316 df-hmeo 22509 df-fil 22600 df-fm 22692 df-flim 22693 df-flf 22694 df-xms 23076 df-ms 23077 df-tms 23078 df-cncf 23633 df-ovol 24219 df-vol 24220 df-mbf 24374 df-itg1 24375 df-itg2 24376 df-ibl 24377 df-itg 24378 df-0p 24425 df-limc 24621 df-dv 24622 |
This theorem is referenced by: fdvnegge 32155 |
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